Fastener Specifications
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2020 GMC Yukon XL, 2020 GMC Yukon, 2020 Chevrolet Tahoe, 2020 Chevrolet Suburban, and 2020 Cadillac Escalade ESV. However, it is still accessible from the selected car via links, so may be relevant.
Single Use Non-Threaded Fasteners/Components
|
NOTE:
All fasteners/components listed in this table MUST BE DISCARDED and replaced with NEW after removal. |
|---|
| Application |
| Catalytic Converter @ Exhaust Manifold Seal |
| Exhaust Manifold Gasket |
Single Use Threaded Fastener/Component Tightening Specifications
|
NOTE:
All fasteners/components listed in this table MUST BE DISCARDED and replaced with NEW after removal. |
|
|---|---|
| Application | Specification |
| Metric (English) | |
| Exhaust Manifold Bolt (L8T) Refer to procedure for tightening sequence and torque values. |
Exhaust Manifold Replacement - Left Side , or Exhaust Manifold Replacement - Right Side |
Reusable Threaded Fastener Tightening Specifications
|
NOTE:
All fasteners listed in this table can be reused after removal. |
|
|---|---|
| Application | Specification |
| Metric (English) | |
| Air Conditioning Evaporator Hose Bracket Bolt (L86) | 22N.m (16 lb ft) |
| Catalytic Converter Fastener | 50N.m (37 lb ft) |
| Exhaust Clamp | 30N.m (22 lb ft) |
| Exhaust Manifold Fastener (L83, L86) | |
|
23N.m (17 lb ft) |
|
27N.m (20 lb ft) |
| Exhaust Manifold Heat Shield Fastener-- Left Side (L83, L86) | 10N.m (89 lb in) |
| Exhaust Manifold Heat Shield Fastener-- Right Side (L83, L86) | 10N.m (89 lb in) |
| Exhaust Manifold Stud | 10N.m (89 lb in) |
| Exhaust Muffler Clamp Fastener | 30N.m (22 lb ft) |
| Front Body Exhaust Heat Shield Fastener | 9N.m (80 lb in) |
| Heat Shield Nut | 9N.m (80 lb in) |
| Heater Inlet and Outlet Hose Bracket Bolt | 9N.m (80 lb in) |
| U-Joint Yoke Retainer Bolt | 25N.m (18 lb ft) |